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Problemi più comuni

Livello	Argomento	Problema	Problema formattato
15101	求解t	\|2-5t\|+2=24	$\| 2 - 5 t \| + 2 = 24$ $\| 2 - 5 t \| + 2 = 24$
15102	求解t	0.000001/201=(e^(-0.504094t))/201	$\frac{0.000001}{201} = \frac{e^{- 0.504094 t}}{201}$ $\frac{0.000001}{201} = \frac{e^{- 0.504094 t}}{201}$
15103	求解t	0.000001/202=(e^(-0.490280t))/202	$\frac{0.000001}{202} = \frac{e^{- 0.49028 t}}{202}$ $\frac{0.000001}{202} = \frac{e^{- 0.49028 t}}{202}$
15104	求解t	1.02^(4t)=2	${1.02}^{4 t} = 2$ ${1.02}^{4 t} = 2$
15105	求解t	1.684^(12t)=3	${1.684}^{12 t} = 3$ ${1.684}^{12 t} = 3$
15106	求解t	1/3*(3t-5)=(t+5)/6	$\frac{1}{3} \cdot (3 t - 5) = \frac{t + 5}{6}$ $\frac{1}{3} \cdot (3 t - 5) = \frac{t + 5}{6}$
15107	求解t	2/t=t/(-4t-6)	$\frac{2}{t} = \frac{t}{- 4 t - 6}$ $\frac{2}{t} = \frac{t}{- 4 t - 6}$
15108	求解t	200/(1+8e^(-0.3t))=100	$\frac{200}{1 + 8 e^{- 0.3 t}} = 100$ $\frac{200}{1 + 8 e^{- 0.3 t}} = 100$
15109	求解t	-3/4-(-8x+21)/12*e^(-2/3t)=0	$- \frac{3}{4} - \frac{- 8 x + 21}{12} \cdot e^{- \frac{2}{3} t} = 0$ $- \frac{3}{4} - \frac{- 8 x + 21}{12} \cdot e^{- \frac{2}{3} t} = 0$
15110	求解t	4/3*(p(1/2t+2)^3)=36pm^3	$\frac{4}{3} \cdot (p {(\frac{1}{2} t + 2)}^{3}) = 36 p m^{3}$ $\frac{4}{3} \cdot (p {(\frac{1}{2} t + 2)}^{3}) = 36 p m^{3}$
15111	求解t	5/2t-t=3+3/2t	$\frac{5}{2} t - t = 3 + \frac{3}{2} t$ $\frac{5}{2} t - t = 3 + \frac{3}{2} t$
15112	求解t	6/(t^2)-1/6=1/(t-3)	$\frac{6}{t^{2}} - \frac{1}{6} = \frac{1}{t - 3}$ $\frac{6}{t^{2}} - \frac{1}{6} = \frac{1}{t - 3}$
15113	求解t	e^(-0.08t)=0.95	$e^{- 0.08 t} = 0.95$ $e^{- 0.08 t} = 0.95$
15114	求解t	e^(-0.17t)=0.80	$e^{- 0.17 t} = 0.8$ $e^{- 0.17 t} = 0.8$
15115	求解t	( logaritmo naturale di 11800- logaritmo naturale di 6000)/0.0275=t	$\frac{ln (11800) - ln (6000)}{0.0275} = t$ $\frac{\ln (11800) - \ln (6000)}{0.0275} = t$
15116	求解t	( logaritmo naturale di 7900- logaritmo naturale di 4000)/0.045=t	$\frac{ln (7900) - ln (4000)}{0.045} = t$ $\frac{\ln (7900) - \ln (4000)}{0.045} = t$
15117	求解t	logaritmo in base 4 di 8t+11- logaritmo in base 4 di t = logaritmo in base 4 di 9	${log}_{4} (8 t + 11) - {log}_{4} (t) = {log}_{4} (9)$ $\log_{4} (8 t + 11) - \log_{4} (t) = \log_{4} (9)$
15118	求解t	logaritmo in base 5 di 7t+11- logaritmo in base 5 di t = logaritmo in base 5 di 8	${log}_{5} (7 t + 11) - {log}_{5} (t) = {log}_{5} (8)$ $\log_{5} (7 t + 11) - \log_{5} (t) = \log_{5} (8)$
15119	求解t	(r+t)/7=5	$\frac{r + t}{7} = 5$ $\frac{r + t}{7} = 5$
15120	求解t	-t^2+18t+194=250	$- t^{2} + 18 t + 194 = 250$ $- t^{2} + 18 t + 194 = 250$
15121	求解t	t^2=153/16	$t^{2} = \frac{153}{16}$ $t^{2} = \frac{153}{16}$
15122	求解t	t^2=-12-t	$t^{2} = - 12 - t$ $t^{2} = - 12 - t$
15123	求解t	(t+1)/16=t/14	$\frac{t + 1}{16} = \frac{t}{14}$ $\frac{t + 1}{16} = \frac{t}{14}$
15124	求解t	0.02=e^(-t/250)	$0.02 = e^{- \frac{t}{250}}$ $0.02 = e^{- \frac{t}{250}}$
15125	求解t	0=-16t^2+150t+800	$0 = - 16 t^{2} + 150 t + 800$ $0 = - 16 t^{2} + 150 t + 800$
15126	求解t	0=16.3+5.69t-0.59.81*t^2	$0 = 16.3 + 5.69 \cdot t - 0.5 \cdot 9.81 \cdot t^{2}$ $0 = 16.3 + 5.69 \cdot t - 0.5 \cdot 9.81 \cdot t^{2}$
15127	求解t	0=16t^2+104+48	$0 = 16 t^{2} + 104 + 48$ $0 = 16 t^{2} + 104 + 48$
15128	求解t	0=-16t^2-77	$0 = - 16 t^{2} - 77$ $0 = - 16 t^{2} - 77$
15129	求解t	0=-5t^2+30t+80	$0 = - 5 t^{2} + 30 t + 80$ $0 = - 5 t^{2} + 30 t + 80$
15130	求解t	1.25t+7=43.25	$1.25 t + 7 = 43.25$ $1.25 t + 7 = 43.25$
15131	求解t	1000=500e^(0.1t)	$1000 = 500 e^{0.1 t}$ $1000 = 500 e^{0.1 t}$
15132	求解t	10000=5000e^(0.055(t))	$10000 = 5000 e^{0.055 (t)}$ $10000 = 5000 e^{0.055 (t)}$
15133	求解t	10420=5000(1+0.0375t)	$10420 = 5000 (1 + 0.0375 t)$ $10420 = 5000 (1 + 0.0375 t)$
15134	求解t	11t-95%=200.7	$11 t - 95 % = 200.7$ $11 t - 95 % = 200.7$
15135	求解t	125=(5000)(0.50)(t)	$125 = (5000) (0.5) (t)$ $125 = (5000) (0.5) (t)$
15136	求解t	128-11t=6/5	$128 - 11 t = \frac{6}{5}$ $128 - 11 t = \frac{6}{5}$
15137	求解t	-15t^2+75t+10=70	$- 15 t^{2} + 75 t + 10 = 70$ $- 15 t^{2} + 75 t + 10 = 70$
15138	求解t	15000=16775(0.905)^t	$15000 = 16775 {(0.905)}^{t}$ $15000 = 16775 {(0.905)}^{t}$
15139	求解t	-16t^2+80t+448=0	$- 16 t^{2} + 80 t + 448 = 0$ $- 16 t^{2} + 80 t + 448 = 0$
15140	求解t	18000=3000(1+0.06/12)^(12t)	$18000 = 3000 {(1 + \frac{0.06}{12})}^{12 t}$ $18000 = 3000 {(1 + \frac{0.06}{12})}^{12 t}$
15141	求解t	19300=10000e^(0.055*t)	$19300 = 10000 e^{0.055 \cdot t}$ $19300 = 10000 e^{0.055 \cdot t}$
15142	求解t	1n(2)=1n(e^(0.056t))	$1 n (2) = 1 n (e^{0.056 t})$ $1 n (2) = 1 n (e^{0.056 t})$
15143	求解t	2(t-7)-1=-5(6-t)	$2 (t - 7) - 1 = - 5 (6 - t)$ $2 (t - 7) - 1 = - 5 (6 - t)$
15144	求解t	2-t/3=t/6	$2 - \frac{t}{3} = \frac{t}{6}$ $2 - \frac{t}{3} = \frac{t}{6}$
15145	求解t	-2t^2-4t=0	$- 2 t^{2} - 4 t = 0$ $- 2 t^{2} - 4 t = 0$
15146	求解t	2t^3+4=50	$2 t^{3} + 4 = 50$ $2 t^{3} + 4 = 50$
15147	求解t	2=2(1-e^(-0.037t))	$2 = 2 (1 - e^{- 0.037 t})$ $2 = 2 (1 - e^{- 0.037 t})$
15148	求解t	2000=1000(1.2247)^t	$2000 = 1000 {(1.2247)}^{t}$ $2000 = 1000 {(1.2247)}^{t}$
15149	求解t	2440=(1.70)t	$2440 = (1.7) t$ $2440 = (1.7) t$
15150	求解t	25=500(0.06)t	$25 = 500 (0.06) t$ $25 = 500 (0.06) t$
15151	求解t	26000=10000*2^(t/7.5)	$26000 = 10000 \cdot 2^{\frac{t}{7.5}}$ $26000 = 10000 \cdot 2^{\frac{t}{7.5}}$
15152	求解t	270=6000(0.06)(t)	$270 = 6000 (0.06) (t)$ $270 = 6000 (0.06) (t)$
15153	求解t	29=57t-5t^2	$29 = 57 t - 5 t^{2}$ $29 = 57 t - 5 t^{2}$
15154	求解t	2p=p(1+0.2152/1)^t	$2 p = p {(1 + \frac{0.2152}{1})}^{t}$ $2 p = p {(1 + \frac{0.2152}{1})}^{t}$
15155	求解t	2p=p(1+0.0025)^(12t)	$2 p = p {(1 + 0.0025)}^{12 t}$ $2 p = p {(1 + 0.0025)}^{12 t}$
15156	求解t	315=70000.06t	$315 = 7000 \cdot 0.06 \cdot t$ $315 = 7000 \cdot 0.06 \cdot t$
15157	求解t	35000=10000e^(0.0565t)	$35000 = 10000 \cdot e^{0.0565 \cdot t}$ $35000 = 10000 \cdot e^{0.0565 \cdot t}$
15158	求解t	38.75-55t=45(t-0.25)	$38.75 - 55 t = 45 (t - 0.25)$ $38.75 - 55 t = 45 (t - 0.25)$
15159	求解t	3p=(1+0.00096154)^(52t)	$3 p = {(1 + 0.0 ¯ ¯¯¯¯¯¯¯¯¯¯ ¯ 009615)}^{52 t}$ $3 p = {(1 + 0.0\overline{009615})}^{52 t}$
15160	求解t	-4(t-5)-31=-3(t+2)	$- 4 (t - 5) - 31 = - 3 (t + 2)$
15161	求解t	4.25=4t^2	$4.25 = 4 t^{2}$
15162	求解t	470=300e^(0.09t)	$470 = 300 e^{0.09 t}$
15163	求解t	4p=e^(0.84t)	$4 p = e^{0.84 t}$
15164	求解t	5(t-5)+7t=4(3t+5)-9	$5 (t - 5) + 7 t = 4 (3 t + 5) - 9$
15165	求解t	-5t^2=100	$- 5 t^{2} = 100$
15166	求解t	5+4(t-2)=2(t+7)+1	$5 + 4 (t - 2) = 2 (t + 7) + 1$
15167	求解t	5=e^(0.2350t)	$5 = e^{0.235 t}$
15168	求解t	5=2*10^t	$5 = 2 \cdot 10^{t}$
15169	求解t	50=e^(21.459(t))	$50 = e^{21.459 (t)}$
15170	求解t	50000=157000-7300t	$50000 = 157000 - 7300 t$
15171	求解t	53=(170t)/(t^2+1)	$53 = \frac{170 t}{t^{2} + 1}$
15172	求解t	55+130e^(-0.05t)=100	$55 + 130 e^{- 0.05 t} = 100$
15173	求解t	5t+9=3*(4g)-g	$5 t + 9 = 3 \cdot (4 g) - g$
15174	求解t	6=2e^(0.03(t))	$6 = 2 e^{0.03 (t)}$
15175	求解t	60=(980(t)^2)/(4(3.14)^2)	$60 = \frac{980 {(t)}^{2}}{4 {(3.14)}^{2}}$
15176	求解t	7(t-3)=2(t-9)+2t	$7 (t - 3) = 2 (t - 9) + 2 t$
15177	求解t	7000=3116.92(1+(0.039/4))^(4*t)	$7000 = 3116.92 {(1 + (\frac{0.039}{4}))}^{4 \cdot t}$
15178	求解t	720000=240000(0.09)^t	$720000 = 240000 {(0.09)}^{t}$
15179	求解t	8000=t(1+(0.15*0.75))	$8000 = t (1 + (0.15 \cdot 0.75))$
15180	求解t	829=568.3e^(0.029t)	$829 = 568.3 e^{0.029 t}$
15181	求解t	85000=10000(1.01)^(9t)	$85000 = 10000 {(1.01)}^{9 t}$
15182	求解t	86000=64286e^((0.097)t)	$86000 = 64286 e^{(0.097) t}$
15183	求解t	88000=71153e^(0.085t)	$88000 = 71153 e^{0.085 t}$
15184	求解t	9=-16t^2+8+33	$9 = - 16 t^{2} + 8 + 33$
15185	求解t	90000=70797e^((0.096)(t))	$90000 = 70797 e^{(0.096) (t)}$
15186	求解t	a=2200(1+r)^t	$a = 2200 {(1 + r)}^{t}$
15187	求解t	A=700e^(-0.009t)	$A = 700 e^{- 0.009 t}$
15188	求解p	p=30(9)+40(0)	$p = 30 (9) + 40 (0)$
15189	求解p	p=40000(1+0.08/12)^-48	$p = 40000 {(1 + \frac{0.08}{12})}^{- 48}$
15190	求解p	p=42(0.04)(0.75)	$p = 42 (0.04) (0.75)$
15191	求解p	p=4x+4y	$p = 4 x + 4 y$
15192	求解p	p=5.67(10^-8W)/(m^2K^4)(0.06m^2)*(284.38^4-282.15^4)	$p = 5.67 \cdot \frac{10^{- 8} W}{m^{2} K^{4}} \cdot (0.06 m^{2}) \cdot ({284.38}^{4} - {282.15}^{4})$
15193	求解p	p=5.67(10^-8W)/(m^2K^4)(0.06m^2)*(280.15K^4)	$p = 5.67 \cdot \frac{10^{- 8} W}{m^{2} K^{4}} \cdot (0.06 m^{2}) \cdot (280.15 K^{4})$
15194	求解p	p=5x+3y	$p = 5 x + 3 y$
15195	求解p	p=5x+8y+7z	$p = 5 x + 8 y + 7 z$
15196	求解p	p=d(0)*24-1.25q	$p = d (0) \cdot 24 - 1.25 q$
15197	求解p	p=r+r(1-((1+i)^(-(n-1)))/i)	$p = r + r (1 - \frac{{(1 + i)}^{- (n - 1)}}{i})$
15198	求解p	p-2.23=-0.0005x-3.8	$p - 2.23 = - 0.0005 x - 3.8$
15199	求解p	p-2.25=0.000175(x-7100)	$p - 2.25 = 0.000175 (x - 7100)$
15200	求解p	pr=2i+2a	$p r = 2 i + 2 a$